Update 3_26_0.md (#291)

Author: otykier

content/references/release-notes/3_26_0.md

@@ -29,9 +29,9 @@ Tabular Editor 3.26.0 downloads:
 
 ## New in 3.26.0
 
-Check out our [release blog](https://blog.tabulareditor.com/) to get a brief overview of the most important updates in this release.
+Check out our [release blog](https://tabulareditor.com/blog/march-2026-release) to get a brief overview of the most important updates in this release.
 
-- Our [AI Assistant](https://tabulareditor.com/blog/ai-assistant) is now in public preview. Click the link to learn more.
+- Our [AI Assistant](https://docs.tabulareditor.com/en/features/ai-assistant.html) is now in public preview. Click the link to learn more.
 
 ## Improvements in 3.26.0